--- title: "Clean Truck Check Testers in Oak Hills, CA (4 listed)" description: "Find 4 CARB-credentialed Clean Truck Check testers in Oak Hills, San Bernardino County: 4 offer mobile testing, 1 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/san-bernardino-county/oak-hills/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Oak Hills, CA 4 testing businesses in Oak Hills (San Bernardino County) are on CARB's public Clean Truck Check tester list (4 credentialed testers). 4 offer mobile testing, 1 do smoke opacity tests, 3 test motorhomes. > CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester. ## Testers in Oak Hills - **[Frank Cadilli](https://ctcfinder.com/tester/frank-cadilli-oak-hills/)** — Oak Hills, CA 92344 — (760) 995-6242. Services: mobile testing, OBD testing, motorhome testing. - **[LH](https://ctcfinder.com/tester/lh-oak-hills/)** — 12005 Lamplighter Ln, Oak Hills, CA 92344 — (760) 553-3788. Services: mobile testing, OBD testing. - **[Michelle Velasquez](https://ctcfinder.com/tester/michelle-velasquez-oak-hills/)** — Oak Hills, CA 92344 — (562) 843-2465. Services: mobile testing, OBD testing, motorhome testing. - **[Miller Mobile Fleet and RV Compliance](https://ctcfinder.com/tester/miller-mobile-fleet-and-rv-compliance-oak-hills/)** — 11026 El Centro Rd, Oak Hills, CA 92344 — (307) 413-5135. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Cortez & Co LLC](https://ctcfinder.com/tester/cortez-and-co-llc-hesperia/)** — 13873 Plantain St, Hesperia, CA 92344 — (909) 637-7959 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[DSB Cargo INC](https://ctcfinder.com/tester/dsb-cargo-inc-hesperia/)** — 9466 Agave Dr, Hesperia, CA 92344 — (669) 255-3832 — 1 mi. Services: mobile testing, OBD testing. - **[FleetCrew INC..](https://ctcfinder.com/tester/fleetcrew-inc-hesperia/)** — 8899 Three Flags Rd, Hesperia, CA 92344 — (949) 624-4644 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jdmobile](https://ctcfinder.com/tester/jdmobile-hesperia/)** — 13009 Tehachapi St, Hesperia, CA 92344 — (818) 239-9457 — 1 mi. Services: OBD testing. - **[Centurion Transport](https://ctcfinder.com/tester/centurion-transport-hesperia/)** — 9724 E Ave, Hesperia, CA 92345 — (760) 662-9513 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Clear Pass](https://ctcfinder.com/tester/clear-pass-hesperia/)** — Hesperia, CA 92345 — (951) 519-0004 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Gilberto Martinez](https://ctcfinder.com/tester/gilberto-martinez-hesperia/)** — Hesperia, CA 92345 — (442) 319-9430 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Hector Reyes](https://ctcfinder.com/tester/hector-reyes-hesperia/)** — Hesperia, CA 92345 — (951) 399-9782 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[JBJ Mobile Diesel Smog](https://ctcfinder.com/tester/jbj-mobile-diesel-smog-hesperia/)** — 11370 Shahaptian Ave, Hesperia, CA 92345 — (909) 254-3272 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Kevin Tafoya](https://ctcfinder.com/tester/kevin-tafoya-hesperia/)** — Hesperia, CA 92345 — (323) 617-1260 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Kristopher Espinoza](https://ctcfinder.com/tester/kristopher-espinoza-hesperia/)** — Hesperia, CA 92345 — (760) 998-9291 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Los compadres mobile shop](https://ctcfinder.com/tester/los-compadres-mobile-shop-hesperia/)** — 10631 Palomino Ave, Hesperia, CA 92345 — (760) 995-0064 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Oak Hills San Bernardino County covers most of the Inland Empire warehouse belt (Fontana, Ontario, Rialto, San Bernardino) and the High Desert along I-15. The Inland Empire holds roughly a billion square feet of warehouse space (Pitzer College estimate), so local fleets and owner-operators run a high volume of tests. Mobile testers who visit distribution centers and truck yards are common here. ## Cost Typical published prices in California: OBD test $50–$135 per vehicle; smoke opacity test $190–$200. Prices are set by each tester. ## Frequently asked questions ### How many Clean Truck Check testers are in Oak Hills? CTC Finder lists 4 testing businesses in Oak Hills from CARB's public tester list (4 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher. ### Is there mobile Clean Truck Check testing in Oak Hills? Yes. 4 listed businesses in Oak Hills offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them. ### How much does a Clean Truck Check test cost in Oak Hills? Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the [cost guide](https://ctcfinder.com/guide/cost/). ### How often does my truck need a Clean Truck Check test? Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). ## Nearby cities - [Hesperia](https://ctcfinder.com/testers/san-bernardino-county/hesperia/) — 20 listings, 5 mi - [Phelan](https://ctcfinder.com/testers/san-bernardino-county/phelan/) — 3 listings, 8 mi - [Victorville](https://ctcfinder.com/testers/san-bernardino-county/victorville/) — 9 listings, 9 mi - [Apple Valley](https://ctcfinder.com/testers/san-bernardino-county/apple-valley/) — 11 listings, 17 mi - [San Bernardino](https://ctcfinder.com/testers/san-bernardino-county/san-bernardino/) — 29 listings, 18 mi - [Rialto](https://ctcfinder.com/testers/san-bernardino-county/rialto/) — 18 listings, 19 mi - [Adelanto](https://ctcfinder.com/testers/san-bernardino-county/adelanto/) — 3 listings, 19 mi - [Rancho Cucamonga](https://ctcfinder.com/testers/san-bernardino-county/rancho-cucamonga/) — 18 listings, 21 mi - [Fontana](https://ctcfinder.com/testers/san-bernardino-county/fontana/) — 49 listings, 21 mi - [Highland](https://ctcfinder.com/testers/san-bernardino-county/highland/) — 5 listings, 23 mi